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| propulsion module | |||
| rudder-propeller; rudder-screw | |||
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| propulsion bay | |||
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推进舱 : 22 phrases in 6 subjects |
| Aviation | 4 |
| Electronics | 1 |
| Nautical | 8 |
| Oil / petroleum | 1 |
| Space | 7 |
| United States | 1 |
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